Malware Analysis Report

2024-11-30 15:39

Sample ID 230117-x4q68aea24
Target 98e3648add4ab0724ebeb54eb720e8ad97ad52b0
SHA256 9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b
Tags
vjw0rm trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b

Threat Level: Known bad

The file 98e3648add4ab0724ebeb54eb720e8ad97ad52b0 was found to be: Known bad.

Malicious Activity Summary

vjw0rm trojan worm

Vjw0rm

Blocklisted process makes network request

Executes dropped EXE

Drops startup file

Checks computer location settings

Loads dropped DLL

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Enumerates system info in registry

Suspicious behavior: MapViewOfSection

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-17 19:24

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-17 19:24

Reported

2023-01-17 19:27

Platform

win7-20220812-en

Max time kernel

150s

Max time network

155s

Command Line

C:\Windows\Explorer.EXE

Signatures

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TzTlSUHDie.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TzTlSUHDie.js C:\Windows\System32\wscript.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\wuapp.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1308 set thread context of 1224 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 1620 set thread context of 1224 N/A C:\Windows\SysWOW64\wuapp.exe C:\Windows\Explorer.EXE

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\wuapp.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wuapp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1944 wrote to memory of 1472 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1944 wrote to memory of 1472 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1944 wrote to memory of 1472 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\wscript.exe
PID 1944 wrote to memory of 1308 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1944 wrote to memory of 1308 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1944 wrote to memory of 1308 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1944 wrote to memory of 1308 N/A C:\Windows\system32\wscript.exe C:\Users\Admin\AppData\Local\Temp\bin.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1224 wrote to memory of 1620 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wuapp.exe
PID 1620 wrote to memory of 1404 N/A C:\Windows\SysWOW64\wuapp.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1620 wrote to memory of 1404 N/A C:\Windows\SysWOW64\wuapp.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1620 wrote to memory of 1404 N/A C:\Windows\SysWOW64\wuapp.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1620 wrote to memory of 1404 N/A C:\Windows\SysWOW64\wuapp.exe C:\Program Files\Mozilla Firefox\Firefox.exe
PID 1620 wrote to memory of 1404 N/A C:\Windows\SysWOW64\wuapp.exe C:\Program Files\Mozilla Firefox\Firefox.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\TzTlSUHDie.js"

C:\Users\Admin\AppData\Local\Temp\bin.exe

"C:\Users\Admin\AppData\Local\Temp\bin.exe"

C:\Windows\SysWOW64\wuapp.exe

"C:\Windows\SysWOW64\wuapp.exe"

C:\Program Files\Mozilla Firefox\Firefox.exe

"C:\Program Files\Mozilla Firefox\Firefox.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ambilis.com udp
N/A 199.59.243.222:80 www.ambilis.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.sqlite.org udp
N/A 45.33.6.223:80 www.sqlite.org tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.theedenpublicschool.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ecomicsvilla.com udp
N/A 198.252.102.191:80 www.ecomicsvilla.com tcp
N/A 198.252.102.191:80 www.ecomicsvilla.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.boltag.xyz udp
N/A 199.192.31.98:80 www.boltag.xyz tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.boltag.xyz udp
N/A 199.192.31.98:80 www.boltag.xyz tcp

Files

memory/1472-54-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\TzTlSUHDie.js

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/1308-56-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1472-58-0x000007FEFBD81000-0x000007FEFBD83000-memory.dmp

memory/1308-59-0x0000000000950000-0x000000000097F000-memory.dmp

memory/1308-60-0x0000000000980000-0x0000000000C83000-memory.dmp

memory/1308-61-0x0000000000110000-0x0000000000120000-memory.dmp

memory/1224-62-0x0000000004C40000-0x0000000004D2C000-memory.dmp

memory/1620-63-0x0000000000000000-mapping.dmp

memory/1308-64-0x0000000000950000-0x000000000097F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/1620-66-0x0000000001140000-0x000000000114B000-memory.dmp

memory/1620-67-0x0000000000AD0000-0x0000000000DD3000-memory.dmp

memory/1620-68-0x0000000000090000-0x00000000000BD000-memory.dmp

memory/1620-69-0x0000000000880000-0x000000000090F000-memory.dmp

memory/1224-70-0x0000000003AF0000-0x0000000003BB4000-memory.dmp

memory/1620-71-0x0000000075451000-0x0000000075453000-memory.dmp

memory/1224-72-0x0000000003AF0000-0x0000000003BB4000-memory.dmp

\Users\Admin\AppData\Local\Temp\sqlite3.dll

MD5 317ba2f8e624ec0c7d3714e2bde4f346
SHA1 12734675cfad66d78252515644a624964f69f94d
SHA256 0c2093493424e885c297d613e0cf343d8a084253ca3b044415e14c6e94696877
SHA512 ecc4a6f951cd7958288b7de35b253475fcc0910f5385b0b38db872a412b547ef5d8e7056865d26ae46b3b027d8b0bb37aa25ec6cb1a67abd342799795bfd3b08

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-17 19:24

Reported

2023-01-17 19:28

Platform

win10v2004-20221111-en

Max time kernel

191s

Max time network

202s

Command Line

C:\Windows\Explorer.EXE

Signatures

Vjw0rm

trojan worm vjw0rm

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\bin.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TzTlSUHDie.js C:\Windows\System32\wscript.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TzTlSUHDie.js C:\Windows\System32\wscript.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2584 set thread context of 964 N/A C:\Users\Admin\AppData\Local\Temp\bin.exe C:\Windows\Explorer.EXE
PID 3432 set thread context of 964 N/A C:\Windows\SysWOW64\chkdsk.exe C:\Windows\Explorer.EXE

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\SysWOW64\chkdsk.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \Registry\User\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 C:\Windows\SysWOW64\chkdsk.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bin.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\chkdsk.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js

C:\Windows\System32\wscript.exe

"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\TzTlSUHDie.js"

C:\Users\Admin\AppData\Local\Temp\bin.exe

"C:\Users\Admin\AppData\Local\Temp\bin.exe"

C:\Windows\SysWOW64\chkdsk.exe

"C:\Windows\SysWOW64\chkdsk.exe"

C:\Program Files\Mozilla Firefox\Firefox.exe

"C:\Program Files\Mozilla Firefox\Firefox.exe"

Network

Country Destination Domain Proto
N/A 20.189.173.15:443 tcp
N/A 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
N/A 178.79.208.1:80 tcp
N/A 8.8.8.8:53 javaautorun.duia.ro udp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 93.184.221.240:80 tcp
N/A 178.79.208.1:80 tcp
N/A 178.79.208.1:80 tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ambilis.com udp
N/A 199.59.243.222:80 www.ambilis.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.theedenpublicschool.com udp
N/A 8.8.8.8:53 www.ambilis.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 199.59.243.222:80 www.ambilis.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.theedenpublicschool.com udp
N/A 162.214.81.26:80 www.theedenpublicschool.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.ecomicsvilla.com udp
N/A 198.252.102.191:80 www.ecomicsvilla.com tcp
N/A 194.5.98.109:5443 javaautorun.duia.ro tcp
N/A 8.8.8.8:53 www.boltag.xyz udp
N/A 199.192.31.98:80 www.boltag.xyz tcp

Files

memory/1380-132-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\TzTlSUHDie.js

MD5 90c052e2282de1c12470fc54d62681d9
SHA1 ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256 be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA512 73661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7

memory/2584-134-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

C:\Users\Admin\AppData\Local\Temp\bin.exe

MD5 f9fdfca55156f35ea48a17947d091f4d
SHA1 15f10040cf10535deed5ca028150ed847a585d01
SHA256 7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA512 53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

memory/2584-137-0x0000000000B90000-0x0000000000BBF000-memory.dmp

memory/2584-138-0x0000000001990000-0x0000000001CDA000-memory.dmp

memory/2584-139-0x0000000000FF0000-0x0000000001000000-memory.dmp

memory/964-140-0x0000000003720000-0x0000000003812000-memory.dmp

memory/3432-141-0x0000000000000000-mapping.dmp

memory/2584-142-0x0000000000B90000-0x0000000000BBF000-memory.dmp

memory/3432-144-0x0000000000440000-0x000000000046D000-memory.dmp

memory/3432-143-0x0000000000550000-0x000000000055A000-memory.dmp

memory/3432-145-0x0000000000E80000-0x00000000011CA000-memory.dmp

memory/3432-146-0x0000000000C20000-0x0000000000CAF000-memory.dmp

memory/964-147-0x0000000008BE0000-0x0000000008CB5000-memory.dmp

memory/3432-148-0x0000000000440000-0x000000000046D000-memory.dmp

memory/964-149-0x0000000008BE0000-0x0000000008CB5000-memory.dmp